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2.4.3 Termination fittings <br /> TABLE 2.4.1 <br /> TERMINATION FITTING CONNECTIONS <br /> Termination(') <br /> Concentric Reducer Large End Small End <br /> Size Fits Fits <br /> 3" x 2" 3" pipe 2" male threaded adapter or coupling <br /> 76 x 51 mm 76 mm pipe 51 mm male threaded adapter or coupling <br /> 4" x 3" 4" pipe 3" male threaded adapter or coupling <br /> 102 x 76 mm 102 mm pipe 76 mm male threaded adapter or coupling <br /> 6" x 4" 6" pipe 4" male threaded adapter <br /> 152 x 102 mm 152 mm pipe 102 mm male threaded adapter <br /> (1)The 6"x 4"(152 x 102 mm)termination concentric reducer is not UL Listed. <br /> Note: All other secondary con- <br /> tainment fittings are manufactured <br /> to fit the O.D. of containment <br /> piping. <br /> When terminating from 4" (102 4"x 3"Termination Concentric Reducer <br /> mm) secondary containment pipe 4"SecondaryContainment <br /> to 2" (51 mm) product pipe, the Pipe <br /> following fittings are required: <br /> 1. 4"x 3" (102 x 76 mm) termina- <br /> tion concentric reducer with or <br /> without tap <br /> 2"Bell x Male 2"Product <br /> 2. 3"x 2"(76 x 51 mm)secondary Threaded Pipe <br /> containment reducer bushing(2) Adapter <br /> 3. 2" (51 mm) bell x male 3"x 2"Secondary Containment Reducer Bushing <br /> threaded adapter(machined or <br /> sanded) <br /> (See Figure 2.4.4) Figure 2.4.4 <br /> (2)3"x 2"(76 x 51 mm)secondary containment reducer bushing is not UL Listed. <br /> 28 <br />